256883 has 8 divisors (see below), whose sum is σ = 284016. Its totient is φ = 232320.

The previous prime is 256877. The next prime is 256889. The reversal of 256883 is 388652.

It is an interprime number because it is at equal distance from previous prime (256877) and next prime (256889).

It is not a de Polignac number, because 256883 - 2¹⁰ = 255859 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 256883.

It is not an unprimeable number, because it can be changed into a prime (256889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235 + ... + 1427.

It is an arithmetic number, because the mean of its divisors is an integer number (35502).

2²⁵⁶⁸⁸³ is an apocalyptic number.

256883 is a deficient number, since it is larger than the sum of its proper divisors (27133).

256883 is an equidigital number, since it uses as much as digits as its factorization.

256883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 204 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 256883 is about 506.8362654744. The cubic root of 256883 is about 63.5689622167.

Subtracting 256883 from its reverse (388652), we obtain a square (131769 = 363²).

The spelling of 256883 in words is "two hundred fifty-six thousand, eight hundred eighty-three".